Installation guide

MyPBX U5XX Administrator's Guide
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telephone or FAX machine. FXS interfaces deliver power, provide ringing, and
use FXO signaling. FXS interfaces are what allow you to hook telephones and
other analog devices to your PBX
FXO (Foreign Exchange Office) is an interface that connects to a phone line to
supply your PBX with access to a public telephone network. FXO interfaces use
FXS signaling. FXO interfaces allow you to connect your PBX to real analog
phone lines.
10.1.1 Sample Routing via E1 Trunk
Let‟s route all inside extensions through an E1 trunk by dialing 9. In
Outbound Routes, add a new outbound route as below.
Figure10-2 Create Outbound Route for E1 Trunk